package com.yangit.temp.util.pdf.service;
 
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.imageio.stream.ImageOutputStream;
 
 
@SuppressWarnings("serial")
public class ImageAction  {
	
	public static void main(String[] args) {
		ImageAction img = new ImageAction();
		try {
			img.execute();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	private ByteArrayInputStream inputStream;
 
	public String execute() throws IOException {
		// 在内存中创建图象
		int width = 300, height = 200;
		BufferedImage image = new BufferedImage(width, height,
				BufferedImage.TYPE_INT_RGB);
		// 获取图形上下文
		Graphics g = image.getGraphics();
		// 设定背景色
		g.setColor(new Color(250,250, 250));
		g.fillRect(0, 0, width, height);
		// 设定字体
		g.setFont(new Font("宋体", Font.BOLD, 18));
		// 随机产生155条干扰线，使图象中的认证码不易被其它程序探测到
		g.setColor(new Color(0, 0, 0));
 
		// g.drawLine(0,0,50,50);
  
		// 取随机产生的认证码(6位数字)
		g.drawString("中国", 10,30);
		g.drawString("中国", 60,30);
		g.drawString("中国", 110,30);
		g.drawString("中国", 160,30);
		g.drawString("中国", 210,30);
		g.drawString("山东", 10,60);
		g.drawString("山东", 60,60);
		g.drawString("山东", 110,60);
		g.drawString("山东", 160,60);
		g.drawString("山东", 210,60);
		g.drawString("济南", 10,90);
		g.drawString("济南", 60,90);
		g.drawString("济南", 110,90);
		g.drawString("济南", 160,90);
		g.drawString("济南", 210,90);
		g.drawString("洪楼", 10,120);
		g.drawString("洪楼", 60,120);
		g.drawString("洪楼", 110,120);
		g.drawString("洪楼", 160,120);
		g.drawString("洪楼", 210,120);
		g.drawString("花园", 10,150);
		g.drawString("花园",60,150);
		g.drawString("花园", 110,150);
		g.drawString("花园", 160,150);
		g.drawString("花园", 210,150);
		// 图象生效
		g.dispose();
		ByteArrayOutputStream output = new ByteArrayOutputStream();
		ImageOutputStream imageOut = ImageIO.createImageOutputStream(output);
		ImageIO.write(image, "JPEG", imageOut);
		imageOut.close();
		ByteArrayInputStream input = new ByteArrayInputStream(
				output.toByteArray());
		this.setInputStream(input);
		return null;

	}
 
	/*
	 * 
	 */
 
	public void setInputStream(ByteArrayInputStream inputStream) {
		this.inputStream = inputStream;
	}
 
	public ByteArrayInputStream getInputStream() {
		return inputStream;
	}
}